# A cell of e.m.f. E and internal resistance r is connected across an external resistance nr.The ratio of terminal potential difference to e.m.f. is?...in terms of n only? Thank u!!!

##### 1 Answer

Jun 9, 2015

Terminal potential drop/source emf =n/1+n

#### Explanation:

In order to find V(terminal voltage), apply voltage division rule.

**Voltage division rule:**

Voltage drop across "nr"=